\[\boxed{\mathbf{1241}\mathbf{.}}\]
\[1)\sin\left( \arccos\frac{\sqrt{3}}{2} \right) = \sin\left( \frac{\pi}{6} \right) = \frac{1}{2}\]
\[2)\ tg\left( \arccos\frac{1}{2} \right) = tg\left( \frac{\pi}{3} \right) = \sqrt{3}\]
\[3)\ tg\left( \arccos\frac{\sqrt{2}}{2} \right) = tg\left( \frac{\pi}{4} \right) = 1\]